Let \(\alpha_1, \alpha_2, \ldots, \alpha_7\) be the roots of the equation \(x^7+3 x^5-13 x^3-15 .... VIDEO
Let \(\alpha_1, \alpha_2, \ldots, \alpha_7\) be the roots of the equation \(x^7+3 x^5-13 x^3-15 x=0\) and \(\left|\alpha_1\right| \geq\left|\alpha_2\right| \geq \ldots \geq\left|\alpha_7\right|\). Then \(\alpha_1 \alpha_2-\alpha_3 \alpha_4+\alpha_5 \alpha_6\) is equal to 📲PW App Link - https://bit.ly/YTAI_PWAP 🌐PW Website - https://www.pw.live
Other Videos By PW Solutions 2024-07-10 The domain of the function \(f(x)=\frac{1}{\sqrt{[x]^2-3[x]-10}}\) is (where \([x]\) denotes the.... 2024-07-10 Let A={1,2,3,4,5} and B={1,2,3,4,5,6}. Then the number of functions f:A→B satisf.... 2024-07-10 Let \(A=\{1,2,3,4, \ldots . .10\}\) and \(B=\{0,1,2,3,4\}\). The number of elements in the relat.... 2024-07-10 Let A={x∈R:[x+3]+[x+4]≤3} B=x∈R:3x∑r=1∞310rx-3<3-3x, where [t] de.... 2024-07-10 Given below are two statements:Statement-I: In redox titration, the indicators used are sensitiv.... 2024-07-10 An example of a disproportionation reaction is: .... 2024-07-10 In base vs acid titration, at the end point methyl orange is present as.... 2024-07-10 Let f:R-{0,1}→R be a function such that f(x)+f11-x=1+x. Then f(2) is equal to:.... 2024-07-10 On reaction with stronger oxidizing agent like KIO4, hydrogen peroxide oxidizes with the evoluti.... 2024-07-10 The value of \(4+\frac{1}{5+\frac{1}{4+\frac{1}{5+\frac{1}{4+\ldots \ldots . . \infty}}}}\).... 2024-07-10 Let \(\alpha_1, \alpha_2, \ldots, \alpha_7\) be the roots of the equation \(x^7+3 x^5-13 x^3-15 .... 2024-07-10 Let \(\alpha, \beta\) be the roots of the quadratic equation \(x^2+\sqrt{6} x+3=0\). Then \(\fra.... 2024-07-10 A sample of a metal oxide has formula M0.83O1.00. The metal M can exist in two oxidation states .... 2024-07-10 Let \(\lambda \neq 0\) be a real number. Let \(\alpha, \beta\) be the roots of the equation \(14.... 2024-07-10 Let a be an integer such that all the real roots of the polynomial \(2 x^5+5 x^4+10 x^3+10 x^2+1.... 2024-07-10 If \(a\) and \(b\) are the roots of equation \(x^2-7 x-1=0\), then the value of \(\frac{a^{21}+b.... 2024-07-10 Let \(m\) and \(n\) be the numbers of real roots of the quadratic equations \(x^2-12 x+[x]+31=0\.... 2024-07-10 The number of points, where the curve \(f(x)=e^{8 x}-e^{6 x}\) \(-3 e^{4 x}-e^{2 x}+1, x \in R\).... 2024-07-10 Let \(\alpha, \beta, \gamma\) be the three roots of the equation \(x^3+b x+c=0\). If \(\beta \ga.... 2024-07-10 The number of integral values of \(k\), for which one root of the equation \(2 x^2-8 x+k=0\) lie.... 2024-07-10 If for some \(p, q, r \in R\), not all have same sign, one of the roots of the equation \(\left(....
0